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Scientific American, Vol. 29, No. 17 (1873) (1873)
leaf 3
sphuretted. hydrogen gas only is phosphide through the perforations. The reaction set up no question. The Firefly is driven by a pair of engines of disengages gas, which escapes at the upper orifice of the evolved, and this, as is well known, takes fire spontaneous- the inverted direct acting type,… … THE ENGLISH STEAM LAUNCH FIREFLY © 1873 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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